老师，以下是页码的代码，我想要 "制单：", "审核：", "批准：" 和页码，但执行后只有页码了，怎么修改代码
'~~页脚标准制作~~~~
rtb = New prt.RenderTable '定义一个表格对象
Dim lms() As String = {"制单：", "审核：", "批准：" ｝
For i As Integer = 0 To lms.Length - 1 ' lm As String In lms
rt = New prt.RenderText '定义一个文本对象
rt.Text = lms(i)'设置文本对象的内容
rt.Style.Font = New Font("宋体", 11, FontStyle.Regular) '设置字体
rtb.Cells(0, i).RenderObject = rt '将文本对象放置在单元格中
Next
'~~~~~制作页码
doc.PageFooter = rtb
rt = New prt.RenderText '设置文本对象的内容
rt.Text = "第[PageNo]页,共[PageCount]页" '设置文本内容
rt.Style.TextAlignHorz = prt.AlignHorzEnum.center '靠右对齐
rt.Style.FontSize = 8 '字体大小为8磅
rt.Style.Spacing.Bottom = 0.5
Doc.PageFooter = rt